Portfolio
Featured Projects
A list of full-stack web applications, automated binary parsers, econometric modeling, and enterprise BI dashboards.
Developed a production-ready Point of Sale (POS) system for barbershop operations. Features service catalog management, product retail tracking, clean transaction processing, real-time analytics dashboard, and automated database cleanup procedures for client handover.
Next.js
Supabase
Go
Vercel
REST API
Tailwind CSS
Engineered a role-based POS web system (Owner vs Cashier) designed to optimize inventory tracking for complex vape variants (nicotine levels, ohm resistance) and real-time Net Profit/COGS calculation. Features fast-tap cashier interface, multi-payment tracking (Cash, QRIS, BCA Transfer), and automated daily sales analytics.
Laravel
MySQL
Tailwind CSS
Node.js
Chart.js
Extracted raw binary memory dumps from vehicle ECU flash memory. Developed automated Python scripts using byte-pattern matching to convert raw hexadecimal data into structured numerical matrices for interactive 3D surface visualizations.
Python
NumPy
Matplotlib
Binary Parsing
Constructed a Multiple Logistic Regression econometric model using Pandas and Statsmodels to predict household vehicle asset ownership. Processed thousands of micro-sample rows from BPS national survey data, performing data cleaning, outlier removal, and multicollinearity diagnostics.
Python
Statsmodels
Pandas
Inference Stats
Designed interactive business intelligence dashboards in Tableau Desktop to track operational KPIs. Integrated complex Excel matrix functions (XLOOKUP, INDEX/MATCH, Pivot Tables) to streamline periodic reporting workflows.
Tableau BI
Advanced Excel
KPI Optimization
Engineered a multi-threaded Python data pipeline utilizing concurrent.futures to ingest real-time fundamental and 1-year historical price data from Yahoo Finance API for IHSG stocks. Programmed an automated stock screener combining financial ratios (PER, PBV, ROE) with technical indicators (MA20/50, RSI-14) to spot undervalued, high-profitability stocks in active uptrends, accompanied by dynamic dual-panel Seaborn visualizations and CSV exports.
Python
Pandas
Matplotlib
Seaborn
Multi-threading
Yahoo Finance API
Technical Analysis
Developed a real-time computer vision system using Python and OpenCV. Engineered multi-functional modules capable of real-time object detection, face recognition, and interactive hand-gesture tracking for dynamic UI control and visual data processing.
Python
OpenCV
Computer Vision
Gesture Tracking
Face Recognition